Mary Anne’s Potatoes Au Gratin - KTUL.com - Tulsa, Oklahoma - News, Weather & Sports

Mary Anne’s Potatoes Au Gratin

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Potatoes Au Gratin refers to a layered potato casserole with a cheesy cream sauce. "Gratin," a French word, typically refers to a baked dish with a crusty cheese or breadcrumb topping, though cheese versions are favored here in the United States. As the casserole bakes, the cheese forms a crust on top of the potatoes, developing a rich flavor and texture. Cheddar cheese is common ingredient in the dish, though other cheeses can also be used.


5 Tablespoons unsalted butter, divided

1 small red onion, sliced very thin

2 cloves garlic, minced

3 Tablespoons all-purpose flour

1 1/2 teaspoons salt

1/8 teaspoon white ground pepper

1/8 teaspoon dried thyme

Or

1/2 teaspoon fresh thyme leaves only

2 cups whole or 2% milk

1 1/2 cups (6 ounces) shredded cheddar cheese

6 cups thinly sliced peeled potatoes, about 7 medium

Smoked paprika, optional

  • Preheat oven to 350 degrees F. Butter a 2-qt. or a 9x13-inch baking dish or spray with a non-stick vegetable cooking spray. Set aside.
  • In a medium skillet, melt 2 tablespoons butter; sauté onion and garlic in the butter until they are soft and translucent. Watch carefully so that the garlic does not burn. Set aside.
  • In a large saucepan, melt remaining butter over low heat. Stir in flour, salt, pepper, and thyme until smooth. Gradually add milk. Bring to a simmer; cook and stir 2 minutes or until thickened. Remove from heat; stir in 1 cup of cheese until melted. Add potatoes, onion and garlic. Mix well. Top with remaining cheese. Transfer to the prepared baking dish. Sprinkle lightly with smoked paprika, is using. Cover and bake 1 hour. Uncover; bake another 30-40 minutes or until the potatoes are tender.

Note: In a hurry to get dinner on the table, place the potatoes in a microwave-safe bowl and cook on high for about 8 minutes. Remove carefully and proceed with recipe. Be mindful that the cooking time has lessened considerably, (total cooking time is now approximately 45 minutes) so watch carefully and test potatoes for doneness with a fork.

Serves 6-8.

Note: You might consider adding a 4.5 ounce can of green chiles for a delightful change-of-pace flavor.

Note: To make it even more over-the-top, add 1 1/2 cups of cubed ham or 4-6 slices of crumbled, cooked bacon.

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